# reSmush.it : The original free image compressor and optimizer plugin

> reSmush.it is the FREE image compressor and optimizer plugin - use it to optimize your images and improve the SEO and performance of your website.

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-06 04:25 UTC.

## Facts (WordPress.org)

- Slug: `resmushit-image-optimizer`
- Author: ShortPixel
- Version: 1.0.6
- Active installs: 100,000+
- Last update: 2026-08-20 (3 months ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 4.0.0, PHP 7.4
- Tags: free image optimization, image, image optimization, optimizer, smush
- Page: https://wordpress.org/plugins/resmushit-image-optimizer/

## Checks (against WordPress 7.1.4)

- OK: Updated 3 months ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Cluttered ↔ Clean, Slows pages ↔ Speeds up, Paywalled ↔ Generous, Clashes ↔ Plays well, Inaccessible ↔ Accessible, Flaky ↔ Reliable.

## Known vulnerabilities

- 2022-10-26 HIGH: Cross-Site Request Forgery (up to 0.4.6). CVE-2022-2449, https://www.wordfence.com/threat-intel/vulnerabilities/id/8187c6eb-d962-48a7-bbe8-5949cfdefbce?source=api-prod
- 2022-09-19 MEDIUM: Authenticated (Administrator+) Cross-Site Scripting (up to 0.4.5). CVE-2022-2448, https://www.wordfence.com/threat-intel/vulnerabilities/id/9b8042b0-83d3-417f-a5e0-43ff4f7648fb?source=api-prod
- 2022-08-11 HIGH: Missing Authorization (up to 0.4.3). CVE-2022-2450, https://www.wordfence.com/threat-intel/vulnerabilities/id/9c4e5c12-6f12-40cb-ac0a-389ad3715503?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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